auto save

diy.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.level = 1
+        self.name = name
+        self.hp = hp
+        self.attack =attack
+    def upgrade(self):
+        self.level = self.level + 1
+        self.attack = self.attack + 400
+        self.hp = self.hp + 5000
+yase = Hero("亚索",30000,2000)
+houyi = Hero("后裔",25000,2300)
+yase.upgrade()
+print(yase.hp)